Congrats Eric Migicovsky and the rest of the Beeper team!!

Folks with kids: buy them Randall Munroe’s What If? And What If? 2. xkcd.com/what-if/ They are excellent. This evening’s amusements: giant swing sets and dyson spheres! It’s an incredibly engaging science & engineering curriculum.

It’s raining a lot right now in Dubai. Here’s an interesting article on UAE’s cloud seeding, which in 2020 already accounted for 5% of total rainfall, and is now likely in the double-digits: arabianbusiness.com/industries/tec…

CATEXs for geothermal is very good news

Feynman’s Messenger lectures are also awesome: feynmanlectures.caltech.edu/messenger.html (Thx Bill Gates for preserving!)

Build a rocket exclusively from materials in the McMaster-Carr catalog, win $2000 (so far): docs.google.com/document/d/1Hc…

Nothing beats building and launching your first rocket

SAFEs for early stage investing are popular because they are faster and cheaper. Is there a SAFE equivalent for M&A? Even small deals & simple asset purchases take gobs of time and money. Is something like a SAFE needed on the other end of the company lifecycle? Paul Graham Garry Tan

The world needs more deeptech companies, and deepchecks.vc is helping to fund them. Founders can submit their pitch to a group of awesome investors at the same time. Thanks Julian Shapiro and Leo Polovets for making this!

Avocados from Costco are consistently perfect. Every one. I don’t know how they do it, but it’s supply chain witchcraft.

You can make beer with yogurt whey, this is excellent vertical integration sfgate.com/food/article/a…

TIL we started using concrete for buildings because of Edison:

this is something Tim Latimer explained to me about renewables: the costs are of heavily loaded towards capital expenditure, while the fuel is literally free, so the cost of capital really really really matters

I’ve been waiting years for this moment. When we left the dentist today, our kid asked what time it was, and it was exactly 2:30

BREAKING: XB-1 has completed its second flight at the Mojave Air & Space Port in CA. XB-1 retracted and extended its landing gear for the first time and successfully demonstrated a new digital stability augmentation system. We continue to target year-end for supersonic flight.

Who wants to build a nuclear subterrene? sgp.fas.org/othergov/doe/l… If so, hit me up

Applications for the second cohort of the Brains Research Accelerator are now open! 1/

If we want to keep making lots of batteries, we'll need to 3x graphite supply by 2030. Darren is working on it: medium.com/catalyst-clima… Get in touch if you want to help build this